JP7476339B2 - 電気化学素子用の分離膜及びその製造方法 - Google Patents

電気化学素子用の分離膜及びその製造方法 Download PDF

Info

Publication number
JP7476339B2
JP7476339B2 JP2022557180A JP2022557180A JP7476339B2 JP 7476339 B2 JP7476339 B2 JP 7476339B2 JP 2022557180 A JP2022557180 A JP 2022557180A JP 2022557180 A JP2022557180 A JP 2022557180A JP 7476339 B2 JP7476339 B2 JP 7476339B2
Authority
JP
Japan
Prior art keywords
binder resin
separator
coating layer
porous coating
present
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2022557180A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023518499A (ja
Inventor
ジ－ウン・キム
サン－ヨン・イ
ソ－ミ・ジョン
ジ－ヨン・ソ
ヨン－ヒョク・イ
ジェ－アン・イ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Energy Solution Ltd
Original Assignee
LG Energy Solution Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Energy Solution Ltd filed Critical LG Energy Solution Ltd
Publication of JP2023518499A publication Critical patent/JP2023518499A/ja
Application granted granted Critical
Publication of JP7476339B2 publication Critical patent/JP7476339B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/42—Acrylic resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Cell Separators (AREA)
JP2022557180A 2020-04-06 2021-04-06 電気化学素子用の分離膜及びその製造方法 Active JP7476339B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2020-0041791 2020-04-06
KR20200041791 2020-04-06
PCT/KR2021/004306 WO2021206431A1 (fr) 2020-04-06 2021-04-06 Séparateur pour élément électrochimique et son procédé de fabrication

Publications (2)

Publication Number Publication Date
JP2023518499A JP2023518499A (ja) 2023-05-01
JP7476339B2 true JP7476339B2 (ja) 2024-04-30

Family

ID=78023792

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022557180A Active JP7476339B2 (ja) 2020-04-06 2021-04-06 電気化学素子用の分離膜及びその製造方法

Country Status (6)

Country Link
US (1) US20230163413A1 (fr)
EP (1) EP4131623A4 (fr)
JP (1) JP7476339B2 (fr)
KR (1) KR20210124087A (fr)
CN (1) CN115336097B (fr)
WO (1) WO2021206431A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230138202A1 (en) * 2020-04-14 2023-05-04 Lg Energy Solution, Ltd. Separator for electrochemical device and method for manufacturing same
KR20240047634A (ko) * 2022-10-05 2024-04-12 주식회사 엘지에너지솔루션 전기화학소자용 분리막, 이의 제조방법 및 이를 포함하는 전기화학소자

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008524824A (ja) 2004-12-22 2008-07-10 エルジー・ケム・リミテッド 有無機複合多孔性セパレータ膜及び該セパレータ膜を用いる電気化学素子
WO2012050152A1 (fr) 2010-10-13 2012-04-19 日立マクセル株式会社 Séparateur pour batterie à électrolyte non aqueux et batterie à électrolyte non aqueux
WO2018055882A1 (fr) 2016-09-21 2018-03-29 帝人株式会社 Séparateur de batterie secondaire non aqueuse et batterie secondaire non aqueuse
WO2020067778A1 (fr) 2018-09-28 2020-04-02 주식회사 엘지화학 Membrane de séparation destiné à un dispositif électrochimique et son procédé de fabrication

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100727248B1 (ko) * 2007-02-05 2007-06-11 주식회사 엘지화학 다공성 활성층이 코팅된 유기/무기 복합 분리막 및 이를구비한 전기화학소자
KR20130083211A (ko) * 2012-01-12 2013-07-22 주식회사 엘지화학 다공성 코팅층을 구비한 세퍼레이터 및 이를 구비한 전기화학소자
KR20140139292A (ko) * 2013-05-27 2014-12-05 주식회사 엘지화학 세퍼레이터 및 이를 구비한 전기화학소자
WO2015076571A1 (fr) * 2013-11-21 2015-05-28 삼성에스디아이 주식회사 Composition d'agent de revêtement de séparateur, séparateur formé de la composition d'agent de revêtement, et batterie faisant appel à celui-ci
KR101938385B1 (ko) * 2014-12-08 2019-04-11 주식회사 엘지화학 바인더 고분자 층을 갖는 전기화학소자용 세퍼레이터 및 이를 포함하는 전기화학소자
KR101751443B1 (ko) * 2015-10-13 2017-06-27 주식회사 엘지화학 다공성 코팅층을 구비한 세퍼레이터 및 이를 구비한 전기화학소자
KR102496375B1 (ko) * 2015-11-20 2023-02-06 삼성전자주식회사 리튬전지용 전극 복합분리막 어셈블리 및 이를 포함한 리튬전지
JP6765439B2 (ja) * 2016-04-01 2020-10-07 エルジー・ケム・リミテッド 接着層を含む電気化学素子用分離膜及び該分離膜を含む電極組立体
KR20190076913A (ko) * 2017-12-22 2019-07-02 주식회사 엘지화학 전기화학소자용 분리막을 제조하는 방법 및 상기 방법에 의해 제조된 분리막
KR102311810B1 (ko) * 2018-09-21 2021-10-08 주식회사 엘지에너지솔루션 세퍼레이터 및 이를 포함하는 전기화학소자
JP7166132B2 (ja) 2018-10-12 2022-11-07 株式会社荏原製作所 基板洗浄部材および基板洗浄装置
US20230138202A1 (en) * 2020-04-14 2023-05-04 Lg Energy Solution, Ltd. Separator for electrochemical device and method for manufacturing same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008524824A (ja) 2004-12-22 2008-07-10 エルジー・ケム・リミテッド 有無機複合多孔性セパレータ膜及び該セパレータ膜を用いる電気化学素子
WO2012050152A1 (fr) 2010-10-13 2012-04-19 日立マクセル株式会社 Séparateur pour batterie à électrolyte non aqueux et batterie à électrolyte non aqueux
WO2018055882A1 (fr) 2016-09-21 2018-03-29 帝人株式会社 Séparateur de batterie secondaire non aqueuse et batterie secondaire non aqueuse
WO2020067778A1 (fr) 2018-09-28 2020-04-02 주식회사 엘지화학 Membrane de séparation destiné à un dispositif électrochimique et son procédé de fabrication

Also Published As

Publication number Publication date
EP4131623A1 (fr) 2023-02-08
CN115336097A (zh) 2022-11-11
KR20210124087A (ko) 2021-10-14
JP2023518499A (ja) 2023-05-01
CN115336097B (zh) 2024-05-03
EP4131623A4 (fr) 2023-11-22
US20230163413A1 (en) 2023-05-25
WO2021206431A1 (fr) 2021-10-14

Similar Documents

Publication Publication Date Title
TWI517483B (zh) 具多孔活性塗層之有機／無機複合隔離板及包含其之電化學裝置
CN112106223B (zh) 电化学装置用隔膜和制造所述隔膜的方法
KR102437371B1 (ko) 전기화학소자용 분리막 및 이를 제조하는 방법
JP7483039B2 (ja) 電気化学素子用の分離膜及びその製造方法
CN110622338B (zh) 用于锂离子二次电池的隔板和包括该隔板的锂金属电池
CN114730960B (zh) 用于电化学装置的复合隔板和包括其的电化学装置
CN111149237B (zh) 多孔隔膜和包含其的电化学装置
JP7476339B2 (ja) 電気化学素子用の分離膜及びその製造方法
JP2020522097A (ja) ガラス転移温度の相異なるバインダーを含む分離膜及びその製造方法
KR20200047409A (ko) 용해 온도가 다른 바인더를 포함하는 분리막 및 이의 제조방법
KR20190140867A (ko) 무기 코팅층을 포함하는 전기화학소자용 분리막 및 이를 제조하는 방법
KR101410047B1 (ko) 이차전지용 유무기 다공성분리막의 제조방법 및 이로부터 제조된 유무기 다공성분리막
KR20220029513A (ko) 전기화학소자용 분리막 및 이를 포함하는 전기화학소자
KR20120086038A (ko) 이차전지용 전극조립체
KR20210052010A (ko) 전기화학소자용 분리막 및 이를 포함하는 전기화학소자
KR20200049649A (ko) 전기화학소자용 분리막 및 이를 제조하는 방법
CN115191061B (zh) 用于电化学装置的隔板及制造该隔板的方法
KR20230083935A (ko) 전기화학소자용 전극 조립체의 제조 방법 및 상기 방법에 의해서 수득된 전극 조립체를 포함하는 전기화학소자
JP2023551243A (ja) 電気化学素子用電極組立体の製造方法、前記方法によって得られた電極組立体及び電気化学素子の製造方法
JP2024524824A (ja) リチウム二次電池用分離膜の製造方法、それによって製造されたリチウム二次電池用分離膜及びそれを備えたリチウム二次電池

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220921

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220921

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20230913

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20231002

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231228

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240325

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240417

R150 Certificate of patent or registration of utility model

Ref document number: 7476339

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150